经济不平等不仅是一个道德问题，也是一个经济问题。
Economic inequality is not just a moral issue; it’s an economic one as well.
The world is a place of the living, and the dead have no place in it. The dead are nothing. They are not even a memory. They are forgotten. And the living, too, will be forgotten.
纠缠是量子力学的本质。它以违背我们经典直觉的方式连接粒子。